<template>
  <a-layout>
    <!-- 侧边栏 -->
    <a-layout-sider width="200" style="background: #fff">
      <a-menu mode="inline" :style="{ height: '100%', borderRight: 0 }" @click="handleClick" :openKeys="openKeys">
        <a-menu-item key="welcome">
          <MailOutlined />
          <span>欢迎</span>
        </a-menu-item>
        <a-sub-menu v-for="item in level1" :key="item.id">
          <template v-slot:title>
            <span><user-outlined />{{ item.name }}</span>
          </template>
          <a-menu-item v-for="child in item.children" :key="child.id">
            <MailOutlined /><span>{{ child.name }}</span>
          </a-menu-item>
        </a-sub-menu>
        <a-menu-item key="tip" :disabled="true">
          <span>以上菜单在分类管理配置</span>
        </a-menu-item>
      </a-menu>
    </a-layout-sider>
    <!-- 主体区域 -->
    <a-layout-content :style="{
      background: '#fff',
      padding: '24px',
      margin: 0,
      minHeight: '280px',
    }">
      <!-- 欢迎界面 -->
      <div class="welcome" v-show="isShowWelcome">
        <the-welcome></the-welcome>
      </div>
      <!-- 电子书列表展示区域 -->
      <a-list v-show="!isShowWelcome" item-layout="vertical" size="large" :data-source="ebooks"
        :grid="{ gutter: 20, column: 3 }">
        <!-- grid把一行变成三列 每列的间距是20px -->
        <template #renderItem="{ item }">
          <a-list-item key="item.name">
            <template #actions>
              <span>
                <component v-bind:is="'FileOutlined'" style="margin-right: 8px" />
                {{ item.docCount }}
              </span>
              <span>
                <component v-bind:is="'UserOutlined'" style="margin-right: 8px" />
                {{ item.viewCount }}
              </span>
              <span>
                <component v-bind:is="'LikeOutlined'" style="margin-right: 8px" />
                {{ item.voteCount }}
              </span>
            </template>

            <a-list-item-meta :description="item.description">
              <template #title>
                <!-- <a :href="item.href">{{ item.name }}</a> -->
                <router-link :to="`/doc?ebookId=${item.id}`">
                  {{ item.name }}
                </router-link>
              </template>
              <template #avatar><a-avatar :src="item.cover" /></template>
            </a-list-item-meta>
          </a-list-item>
        </template>
      </a-list>
    </a-layout-content>
  </a-layout>
</template>

<script lang="ts">
import { defineComponent, onMounted, reactive, ref, toRef } from "vue";
import axios from "axios";
import { message } from 'ant-design-vue';
import { Tool } from "@/utils/tool";
import TheWelcome from "@/components/the-welcome.vue";


export default defineComponent({
  name: "Home",
  components: { TheWelcome },
  setup() {
    // console.log("setup");
    const ebooks = ref();
    //const ebooks1 = reactive({ books: [] });
    const openKeys = ref();
    openKeys.value = ["welcome"];

    //显示欢迎和电子书分类
    const isShowWelcome = ref(true);
    let category2Id = 0;

    // 树型菜单
    const level1 = ref();
    let categorys: any;
    /**
     * 查询所有分类
     **/
    const handleQueryCategory = () => {
      axios.get("/category/list").then((response) => {
        const data = response.data;
        if (data.code === '200') {
          categorys = data.data;
          console.log("原始数组：", categorys);

          // 加载完分类后，将侧边栏全部展开


          level1.value = [];
          level1.value = Tool.array2Tree(categorys, 0);
          console.log("树形结构：", level1.value);
        } else {
          message.error(data.msg);
        }
      });
    };


    const handleQueryEbook = () => {
      axios
        .get("/ebook/list", {
          params: {
            page: 1,
            pageSize: 1000,
            category2Id: category2Id
          },
        })
        .then((res) => {
          console.log(res);
          const data = res.data;
          ebooks.value = data.data.rows;
          // ebooks1.books = data.content;
        });
    }

    // value参数自带 具体查阅文档
    const handleClick = (value: any) => {
      // console.log("menu click", value);
      // isShowWelcome.value = value.key === 'welcome';
      if (value.key === 'welcome') {
        isShowWelcome.value = true;
      } else {
        category2Id = value.key
        isShowWelcome.value = false;
        handleQueryEbook();
      }

    };







    // 阅读数 点赞数 收藏数
    // const actions: Record<string, string>[] = [
    //   { type: "StarOutlined", text: "156" },
    //   { type: "LikeOutlined", text: "156" },
    //   { type: "MessageOutlined", text: "2" },
    // ];

    const pagination = ref({
      pageSize: 3,
    });



    onMounted(() => {
      // console.log("onMounted");
      //初始加载所有分类
      handleQueryCategory();

    });

    return {
      ebooks,
      pagination,
      // actions,
      // ebooks2: toRef(ebooks1, "books"),

      handleClick,
      level1,
      openKeys,

      isShowWelcome
    };
  },
});
</script>



<style scoped>
.ant-avatar {
  width: 50px;
  height: 50px;
  line-height: 50px;
  border-radius: 8%;
  margin: 5px 0;
}
</style>